What is the assessed value of 531 Helfin Street, Bound Brook Boro, NJ?

The total municipal assessment is $355,300 (land plus improvements).

What is 531 Helfin Street, Bound Brook Boro, NJ worth?

Our model estimates a market value of $461,361, derived from comparable recorded sales nearby.

How many units does 531 Helfin Street, Bound Brook Boro, NJ have?

Records show 1 dwelling unit at 531 Helfin Street, Bound Brook Boro, NJ.

What kind of property is 531 Helfin Street, Bound Brook Boro, NJ?

MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1974.

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531 Helfin Street, Bound Brook Boro, NJ — owner, sales, deeds · parceldata

531 Helfin Street

Bound Brook Boro, NJ·Somerset County

1804·block 90·lot 39.04

$461,361estimated value

Last sale

5/12/2023 · TaxDataHub

Property

Type

Residential 1-4 unit

Tax class

Residential 1-4 unit

Year built

1974

Building size

1,384 sq ft

Lot size

0.00 ac

Land description

55X150 IRR

Building description

—

Dwelling / commercial units

1 dw / 0 comm

Tax & Assessment

Net assessed value

$355,300

Land value

$211,000

Improvement value

$144,300

Last year's tax

$7,841

Last MOD-IV sale

MOD-IV deed date

5/12/2023

Owner mailing address

531 Helfin St
Bound Brook, Nj 08805

Estimated market value

$461,361

range $390,190 – $538,147

moderate confidence

Assessment-implied: $380,978; Director's Ratio 0.9326 (2025)
Comp-implied: $488,155; 30 comparable sales

Estimated value, last 10 years

2016: $198,264 → 2025: $461,361

dots are actual sale prices for this property

Bordering

200-ft notice list →

615 Vosseller Avenue
Lot 2·$237,300
527 Helfin Street
Lot 39.03·$382,100
532 Helfin Street
Lot 39.05·$416,400

Block 90All of Block 90 →

Debug — raw data per source

Computed

{
  "isCondoMaster": false,
  "condoCluster": null,
  "siblingUnitCount": 0,
  "portfolioCount": 0,
  "portfolioKeys": {
    "fullKeys": [
      "531 HELFIN ST BOUND BROOK NJ 08805"
    ],
    "zipKeys": [
      "531 HELFIN ST 08805"
    ]
  },
  "effective_unit_count": 1,
  "effective_unit_count_source": "MOD-IV"
}

MOD-IV

{
  "pams_pin": "1804_90_39.04",
  "county_code": "18",
  "district_code": "04",
  "block": "90",
  "lot": "39.04",
  "qualifier": "",
  "property_location": "531 Helfin Street",
  "property_class": "2",
  "bldg_class": "17",
  "bldg_desc": null,
  "land_desc": "55X150 IRR",
  "year_built": 1974,
  "living_sqft": 1384,
  "dwelling_units": 1,
  "comm_dwell": null,
  "land_value_cents": "21100000",
  "improvement_value_cents": "14430000",
  "net_value_cents": "35530000",
  "last_yr_tx_cents": "784147",
  "deed_date": "2023-05-12",
  "deed_book": "07507",
  "deed_page": "00323",
  "sale_price_cents": "0",
  "sales_code": "A",
  "owner_mailing_street": "531 Helfin St",
  "owner_mailing_city_state_zip": "Bound Brook, Nj 08805",
  "mun_name": "BOUND BROOK BORO",
  "calc_acre": "0.000000",
  "add_lots1": null,
  "add_lots2": null,
  "prop_use": "000",
  "fac_name": null,
  "centroid_lon": -74.54777778734159,
  "centroid_lat": 40.57187854234947
}

SR1A

[
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    "id": "badb6f1f-f501-403b-a133-048024756282",
    "property_id": "b3780c75-24f3-4a3e-a32e-046051c33790",
    "county_code": "18",
    "district_code": "04",
    "block": "90",
    "lot": "39.04",
    "qualifier": "",
    "deed_book": "07507",
    "deed_page": "00323",
    "deed_date": "2023-05-12",
    "date_recorded": "2023-05-12",
    "sale_price_cents": "0",
    "sr1a_year": null,
    "source": "taxdatahub"
  },
  {
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    "county_code": "18",
    "district_code": "04",
    "block": "90",
    "lot": "39.04",
    "qualifier": "",
    "deed_book": "7507",
    "deed_page": "323",
    "deed_date": "2023-05-12",
    "date_recorded": "2023-05-12",
    "sale_price_cents": "0",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
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    "qualifier": "",
    "deed_book": "6972",
    "deed_page": "1657",
    "deed_date": "2017-06-15",
    "date_recorded": "2017-06-15",
    "sale_price_cents": "22000000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
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    "sr1a_year": null,
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  },
  {
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    "county_code": "18",
    "district_code": "04",
    "block": "90",
    "lot": "39.04",
    "qualifier": "",
    "deed_book": "6911",
    "deed_page": "139",
    "deed_date": "2016-06-21",
    "date_recorded": "2016-06-21",
    "sale_price_cents": "100000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "93db2608-704c-4a3f-80c5-0bd23692fe77",
    "property_id": "b3780c75-24f3-4a3e-a32e-046051c33790",
    "county_code": "18",
    "district_code": "04",
    "block": "90",
    "lot": "39.04",
    "qualifier": "",
    "deed_book": "6314",
    "deed_page": "3018",
    "deed_date": "2010-03-19",
    "date_recorded": "2010-03-19",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "693d64c4-3eaf-4899-8eba-167e9a6396e0",
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    "lot": "39.04",
    "qualifier": "",
    "deed_book": null,
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    "date_recorded": "2010-03-19",
    "sale_price_cents": "100",
    "sr1a_year": null,
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  },
  {
    "id": "103cc963-e258-483a-8a35-1bfaef79b749",
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    "county_code": "18",
    "district_code": "04",
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    "lot": "39.04",
    "qualifier": "",
    "deed_book": "6109",
    "deed_page": "2997",
    "deed_date": "2008-02-19",
    "date_recorded": "2008-02-19",
    "sale_price_cents": "100",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  },
  {
    "id": "17552c3f-fcb0-4627-8f18-766202a10584",
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    "county_code": "18",
    "district_code": "04",
    "block": "90",
    "lot": "39.04",
    "qualifier": "",
    "deed_book": null,
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    "deed_date": null,
    "date_recorded": "2008-02-19",
    "sale_price_cents": "100",
    "sr1a_year": null,
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  },
  {
    "id": "2442862d-1676-4224-b2f0-313e7deba714",
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    "district_code": "04",
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    "lot": "39.04",
    "qualifier": "",
    "deed_book": null,
    "deed_page": null,
    "deed_date": null,
    "date_recorded": "1987-08-03",
    "sale_price_cents": "10000",
    "sr1a_year": null,
    "source": "taxdatahub"
  },
  {
    "id": "be06c4f0-07b9-44f5-b4cb-c50d215f0f51",
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    "district_code": "04",
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    "lot": "39.04",
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    "deed_book": "1647",
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    "deed_date": "1987-08-03",
    "date_recorded": "1987-08-03",
    "sale_price_cents": "10000",
    "sr1a_year": null,
    "source": "modiv_rutgers"
  }
]

API record·permalink

Frequently asked questions

What is the assessed value of 531 Helfin Street, Bound Brook Boro, NJ?: The total municipal assessment is $355,300 (land plus improvements).
What is 531 Helfin Street, Bound Brook Boro, NJ worth?: Our model estimates a market value of $461,361, derived from comparable recorded sales nearby.
How many units does 531 Helfin Street, Bound Brook Boro, NJ have?: Records show 1 dwelling unit at 531 Helfin Street, Bound Brook Boro, NJ.
What kind of property is 531 Helfin Street, Bound Brook Boro, NJ?: MOD-IV classifies it as Residential 1-4 unit (class 2). Year built: 1974.

Based on 30 comparable sales

Address	Sold	Price
520 Dalay Place	1/13/2026	$360,000
722 Lawrence Road	12/2/2025	$607,000
519 Vosseller Avenue	11/17/2025	$400,000
125 Linden Avenue	9/8/2025	$475,000
713 Lawrence Road	8/8/2025	$522,500
606 Hayward Street	7/21/2025	$590,000
514 Longwood Avenue	6/27/2025	$450,000
513 Grove Avenue	6/5/2025	$450,000
713 Mountain Avenue	6/4/2025	$485,000
383 West High Street	6/2/2025	$520,000
369 Cherry Avenue	5/28/2025	$511,000
438 William Street	5/27/2025	$550,000
722 Lawrence Road	2/14/2025	$459,000
529 Verona Place	2/10/2025	$445,000
215 Hardy Avenue	1/23/2025	$530,000
276 Chestnut Street	1/22/2025	$472,500
513 Helfin Street	1/9/2025	$550,000
601 Legion Court	12/31/2024	$365,000
14 Giles Biondi Court	12/23/2024	$365,000
811 Mountain Avenue	12/6/2024	$517,400
21 West Maple Avenue	10/15/2024	$580,000
520 Grove Avenue	10/7/2024	$390,000
25 West Maple Avenue	9/30/2024	$580,000
705 Cedarcrest Drive	9/24/2024	$520,000
644 West Metape Circle	9/9/2024	$510,000
693 Hanken Road	9/4/2024	$750,000
320 Evergreen Avenue	8/26/2024	$530,000
709 Lawrence Road	8/23/2024	$455,000
276S South Metape Circle	8/22/2024	$507,000
315 Codrington Place	8/20/2024	$505,000

Sales history

5/12/2023$0
TaxDataHubBk 07507 / Pg 00323
5/12/2023$0
MOD-IV (Rutgers)Bk 7507 / Pg 323
6/15/2017$220,000
MOD-IV (Rutgers)Bk 6972 / Pg 1657
6/15/2017$220,000
TaxDataHub
6/21/2016$1,000
MOD-IV (Rutgers)Bk 6911 / Pg 139
3/19/2010$1
MOD-IV (Rutgers)Bk 6314 / Pg 3018
3/19/2010$1
TaxDataHub
2/19/2008$1
MOD-IV (Rutgers)Bk 6109 / Pg 2997
2/19/2008$1
TaxDataHub
8/3/1987$100
TaxDataHub
8/3/1987$100
MOD-IV (Rutgers)Bk 1647 / Pg 753

Date	Price	Book / Page	Source
5/12/2023	$0	07507 / 00323	TaxDataHub
5/12/2023	$0	7507 / 323	MOD-IV (Rutgers)
6/15/2017	$220,000	6972 / 1657	MOD-IV (Rutgers)
6/15/2017	$220,000	—	TaxDataHub
6/21/2016	$1,000	6911 / 139	MOD-IV (Rutgers)
3/19/2010	$1	6314 / 3018	MOD-IV (Rutgers)
3/19/2010	$1	—	TaxDataHub
2/19/2008	$1	6109 / 2997	MOD-IV (Rutgers)
2/19/2008	$1	—	TaxDataHub